294 lines
9.2 KiB
Lua
294 lines
9.2 KiB
Lua
--
|
|
-- Functions/ABMs
|
|
--
|
|
|
|
-- Saplings growing
|
|
|
|
function default.grow_tree(pos, variety)
|
|
local function grow()
|
|
if variety == "apple" then
|
|
minetest.place_schematic({x = pos.x-2, y = pos.y-1, z = pos.z-2}, minetest.get_modpath("default").."/schematics/default_tree.mts", "0", {}, false)
|
|
elseif variety == "oak" then
|
|
minetest.place_schematic({x = pos.x-2, y = pos.y-1, z = pos.z-2}, minetest.get_modpath("default").."/schematics/default_tree.mts", "0", {["default:leaves"] = "default:leaves_oak", ["default:tree"] = "default:tree_oak", ["default:apple"] = "air"}, false)
|
|
elseif variety == "birch" then
|
|
minetest.place_schematic({x = pos.x-1, y = pos.y-1, z = pos.z-1}, minetest.get_modpath("default").."/schematics/default_squaretree.mts", "0", {["default:leaves"] = "default:leaves_birch", ["default:tree"] = "default:tree_birch", ["default:apple"] = "air"}, false)
|
|
end
|
|
end
|
|
|
|
minetest.remove_node(pos)
|
|
|
|
minetest.after(0, grow)
|
|
|
|
default.log(variety.." tree sapling grows at "..minetest.pos_to_string(pos), "info")
|
|
end
|
|
|
|
minetest.register_abm( -- apple trees or default trees
|
|
{
|
|
nodenames = {"default:sapling"},
|
|
interval = 10,
|
|
chance = 40,
|
|
action = function(pos, node)
|
|
local is_soil = minetest.registered_nodes[minetest.get_node({x=pos.x, y=pos.y-1, z=pos.z}).name].groups.soil
|
|
|
|
if is_soil == nil or is_soil == 0 then return end
|
|
|
|
default.grow_tree(pos, "apple")
|
|
end
|
|
})
|
|
|
|
minetest.register_abm( -- oak trees
|
|
{
|
|
nodenames = {"default:sapling_oak"},
|
|
interval = 10,
|
|
chance = 60,
|
|
action = function(pos, node)
|
|
local is_soil = minetest.registered_nodes[minetest.get_node({x=pos.x, y=pos.y-1, z=pos.z}).name].groups.soil
|
|
if is_soil == nil or is_soil == 0 then return end
|
|
default.grow_tree(pos, "oak")
|
|
end
|
|
})
|
|
|
|
minetest.register_abm( -- birch trees
|
|
{
|
|
nodenames = {"default:sapling_birch"},
|
|
interval = 10,
|
|
chance = 50,
|
|
action = function(pos, node)
|
|
local is_soil = minetest.registered_nodes[minetest.get_node({x=pos.x, y=pos.y-1, z=pos.z}).name].groups.soil
|
|
if is_soil == nil or is_soil == 0 then return end
|
|
default.grow_tree(pos, "birch")
|
|
end
|
|
})
|
|
|
|
-- Vertical plants
|
|
|
|
function default.dig_up(pos, node, digger)
|
|
-- if digger == nil then return end
|
|
local np = {x = pos.x, y = pos.y + 1, z = pos.z}
|
|
local nn = minetest.get_node(np)
|
|
if nn.name == node.name then
|
|
minetest.node_dig(np, nn, digger)
|
|
end
|
|
end
|
|
|
|
-- Leaf decay
|
|
|
|
default.leafdecay_trunk_cache = {}
|
|
default.leafdecay_enable_cache = true
|
|
-- Spread the load of finding trunks
|
|
default.leafdecay_trunk_find_allow_accumulator = 0
|
|
|
|
minetest.register_globalstep(function(dtime)
|
|
local finds_per_second = 5000
|
|
default.leafdecay_trunk_find_allow_accumulator =
|
|
math.floor(dtime * finds_per_second)
|
|
end)
|
|
|
|
default.after_place_leaves = function(pos, placer, itemstack, pointed_thing)
|
|
local node = minetest.get_node(pos)
|
|
node.param2 = 1
|
|
minetest.set_node(pos, node)
|
|
end
|
|
|
|
minetest.register_abm( -- leaf decay
|
|
{
|
|
nodenames = {"group:leafdecay"},
|
|
neighbors = {"air", "group:liquid"},
|
|
-- A low interval and a high inverse chance spreads the load
|
|
interval = 2,
|
|
chance = 3,
|
|
|
|
action = function(p0, node, _, _)
|
|
--print("leafdecay ABM at "..p0.x..", "..p0.y..", "..p0.z..")")
|
|
local do_preserve = false
|
|
local d = minetest.registered_nodes[node.name].groups.leafdecay
|
|
if not d or d == 0 then
|
|
--print("not groups.leafdecay")
|
|
return
|
|
end
|
|
local n0 = minetest.get_node(p0)
|
|
if n0.param2 ~= 0 then
|
|
--print("param2 ~= 0")
|
|
return
|
|
end
|
|
local p0_hash = nil
|
|
if default.leafdecay_enable_cache then
|
|
p0_hash = minetest.hash_node_position(p0)
|
|
local trunkp = default.leafdecay_trunk_cache[p0_hash]
|
|
if trunkp then
|
|
local n = minetest.get_node(trunkp)
|
|
local reg = minetest.registered_nodes[n.name]
|
|
-- Assume ignore is a trunk, to make the thing work at the border of the active area
|
|
if n.name == "ignore" or (reg and reg.groups.tree and reg.groups.tree ~= 0) then
|
|
--print("cached trunk still exists")
|
|
return
|
|
end
|
|
--print("cached trunk is invalid")
|
|
-- Cache is invalid
|
|
table.remove(default.leafdecay_trunk_cache, p0_hash)
|
|
end
|
|
end
|
|
if default.leafdecay_trunk_find_allow_accumulator <= 0 then
|
|
return
|
|
end
|
|
default.leafdecay_trunk_find_allow_accumulator =
|
|
default.leafdecay_trunk_find_allow_accumulator - 1
|
|
-- Assume ignore is a trunk, to make the thing work at the border of the active area
|
|
local p1 = minetest.find_node_near(p0, d, {"ignore", "group:tree"})
|
|
if p1 then
|
|
do_preserve = true
|
|
if default.leafdecay_enable_cache then
|
|
--print("caching trunk")
|
|
-- Cache the trunk
|
|
default.leafdecay_trunk_cache[p0_hash] = p1
|
|
end
|
|
end
|
|
if not do_preserve then
|
|
-- Drop stuff other than the node itself
|
|
local itemstacks = minetest.get_node_drops(n0.name)
|
|
for _, itemname in ipairs(itemstacks) do
|
|
if minetest.get_item_group(n0.name, "leafdecay_drop") ~= 0 or itemname ~= n0.name then
|
|
local p_drop = {
|
|
x = p0.x - 0.5 + math.random(),
|
|
y = p0.y - 0.5 + math.random(),
|
|
z = p0.z - 0.5 + math.random(),
|
|
}
|
|
minetest.add_item(p_drop, itemname)
|
|
end
|
|
end
|
|
-- Remove node
|
|
minetest.remove_node(p0)
|
|
nodeupdate(p0)
|
|
end
|
|
end
|
|
})
|
|
|
|
minetest.register_abm( -- dirt becomes dirt with grass if uncovered
|
|
{
|
|
nodenames = {"default:dirt"},
|
|
interval = 2,
|
|
chance = 40,
|
|
action = function(pos, node)
|
|
local above = {x=pos.x, y=pos.y+1, z=pos.z}
|
|
local name = minetest.get_node(above).name
|
|
local nodedef = minetest.registered_nodes[name]
|
|
if nodedef and (nodedef.sunlight_propagates or nodedef.paramtype == "light") and nodedef.liquidtype == "none" and (minetest.get_node_light(above) or 0) >= 11 then
|
|
minetest.set_node(pos, {name = "default:dirt_with_grass"})
|
|
end
|
|
end
|
|
})
|
|
|
|
minetest.register_abm( -- dirt with grass becomes dirt if covered
|
|
{
|
|
nodenames = {"default:dirt_with_grass"},
|
|
interval = 2,
|
|
chance = 10,
|
|
action = function(pos, node)
|
|
local above = {x=pos.x, y=pos.y+1, z=pos.z}
|
|
local name = minetest.get_node(above).name
|
|
local nodedef = minetest.registered_nodes[name]
|
|
if name ~= "ignore" and nodedef and not ((nodedef.sunlight_propagates or nodedef.paramtype == "light") and nodedef.liquidtype == "none") then
|
|
minetest.set_node(pos, {name = "default:dirt"})
|
|
end
|
|
end
|
|
})
|
|
|
|
minetest.register_abm( -- grass expands
|
|
{
|
|
nodenames = {"default:grass"},
|
|
interval = 20,
|
|
chance = 160,
|
|
action = function(pos, node)
|
|
local rx = math.random(0, 2) - 1
|
|
local rz = math.random(0, 2) - 1
|
|
|
|
local edgepos = {x = pos.x+rx, y = pos.y, z = pos.z+rz}
|
|
local downpos = {x = pos.x+rx, y = pos.y-1, z = pos.z+rz}
|
|
local edgenode = minetest.get_node(edgepos)
|
|
local downnode = minetest.get_node(downpos)
|
|
|
|
if edgenode.name == "air" and downnode.name ~= "air" and downnode.buildable_to == false and walkable == true then
|
|
minetest.set_node(edgepos, {name = "default:grass"})
|
|
end
|
|
end
|
|
})
|
|
|
|
minetest.register_abm( -- cactus grows
|
|
{
|
|
nodenames = {"default:cactus"},
|
|
neighbors = {"group:sand"},
|
|
interval = 20,
|
|
chance = 10,
|
|
action = function(pos, node)
|
|
pos.y = pos.y-1
|
|
local name = minetest.get_node(pos).name
|
|
if minetest.get_item_group(name, "sand") ~= 0 then
|
|
pos.y = pos.y+1
|
|
local height = 0
|
|
while minetest.get_node(pos).name == "default:cactus" and height < 3 do
|
|
height = height+1
|
|
pos.y = pos.y+1
|
|
end
|
|
if height < 3 then
|
|
if minetest.get_node(pos).name == "air" then
|
|
minetest.set_node(pos, {name="default:cactus"})
|
|
end
|
|
end
|
|
end
|
|
end,
|
|
})
|
|
|
|
minetest.register_abm( -- papyrus grows
|
|
{
|
|
nodenames = {"default:papyrus"},
|
|
neighbors = {"default:sand", "default:dirt_with_grass", "default_dirt"},
|
|
interval = 20,
|
|
chance = 10,
|
|
action = function(pos, node)
|
|
pos.y = pos.y-1
|
|
local name = minetest.get_node(pos).name
|
|
if name == "default:sand" or name == "default:dirt" or name == "default:dirt_with_grass" then
|
|
if minetest.find_node_near(pos, 3, {"group:water"}) == nil then
|
|
return
|
|
end
|
|
pos.y = pos.y+1
|
|
local height = 0
|
|
while minetest.get_node(pos).name == "default:papyrus" and height < 3 do
|
|
height = height+1
|
|
pos.y = pos.y+1
|
|
end
|
|
if height < 3 then
|
|
if minetest.get_node(pos).name == "air" then
|
|
minetest.set_node(pos, {name="default:papyrus"})
|
|
end
|
|
end
|
|
end
|
|
end,
|
|
})
|
|
|
|
minetest.register_abm( -- torch flame
|
|
{
|
|
nodenames = {"default:torch"},
|
|
interval = 5,
|
|
chance = 1,
|
|
action = function(pos, node)
|
|
minetest.add_particlespawner(
|
|
{
|
|
amount = 10,
|
|
time = 5,
|
|
minpos = {x = pos.x-0.1, y = pos.y-0.4, z = pos.z-0.1},
|
|
maxpos = {x = pos.x+0.1, y = pos.y, z = pos.z+0.1},
|
|
minvel = {x = -0.3, y = 0.3, z = -0.3},
|
|
maxvel = {x = 0.3, y = 1, z = 0.3},
|
|
minacc = {x = 0, y = 0.5, z = -0},
|
|
maxacc = {x = 0, y = 2, z = 0},
|
|
minexptime = 0.3,
|
|
maxexptime = 0.6,
|
|
minsize = 4,
|
|
maxsize = 6,
|
|
texture = "spark.png"
|
|
})
|
|
end
|
|
})
|
|
|
|
default.log("functions", "loaded") |